2 Replies Latest reply on May 24, 2015 7:19 PM by xiaoyang

    lsusb,get error: unable to initialize libusb: -99

    xiaoyang

      hi, I plug in my usb flash disk. I run lsusb command, I got error: unable to initialize libusb:-99. How can I solve this error?

        • 1. Re: lsusb,get error: unable to initialize libusb: -99
          mweal

          There is lots of discussion about this on the board and there can be various reasons depending on your setup.  The most likely reasons are (sorry no a lot of detail I'm away from my edison right now) :

          • if you have an arduino setup you may have the usb host/device switch in the wrong position
          • if you have a mini breakout board it is probably the way you supply power. You need to either supply power via the 2 pin .1"c-c power connector (not battery connector)or solder a barrel (power supply) connector on the back and supply power via that

           

          Otherwise search the forum... there have been lots of threads about this.

          • 2. Re: lsusb,get error: unable to initialize libusb: -99
            xiaoyang

            Thank you for your replay. My usb has no power, so I get that problem.